| 释义 |
daylight saving noon daylight saving noon[¦dā‚līt ′sāv·iŋ ′nün] (astronomy) Twelve o'clock daylight saving time, or the instant the mean sun is over the upper branch of the daylight saving meridian; during a war, when daylight saving time may be used throughout the year and called war time, the expression war noon applies. Also known as summer noon. |